COMPLIANCE INFO_1999-2005 - Laserfiche WebLink

Home Browse Search

SECTION 1 ♦ Tellescopin9oplpe System TABLE 3.1.1 Sizing for Telescoping Pipe Systems Product Secondary Cont. Secondary Cont. Telescoping Pipe Size Pipe Size Pipe Size Reducer Size is A B C D (in.) (in.) , (in.) (nii , (in.) (mm), (in.) (mom) 2 SES 35 4 1,00 4 x 3 100 x 75 3S; 4 5 125 5 x 4 125x 100 4 100° ` 5 X25 6 1 Vit? 6 x 5 1-50,k 125 TABLE 3.1.2 Determining Length of Containment Pipe Product X X X Pipe Size Coupling, 45° Termination A 90°Elbow,Tee Elbow Fitting (in.) ( (in.) (in.) ( ir ), (in.) tr1 ) 2 50 2% '1541 4 ': 4% 11 37 1% 2% 57 4% 121 4 160 1% $ 2:E 54:' 6 152 C=(A-X1 -X2)-2 B=(C-2)- 1" (25 mm) Where: X1 =Fitting#1 B C B X2=Fitting#2 Note: This equation is based on the use of concentric re- ducers in the system. If eccentric reducers are used, substi- R A tute 2" (50 mm)for 1" (25 mm)in the B equation. A D \D Example: For 2" (50 mm)product piping; if A = 20'4" (6198 mm) OAL(overall length) And X1 = 2%" (54 mm) (90°elbow from Table 3.1.2) 1 FIGURE 3.1.1 And X2 = 1X" (48 mm) (45°elbow from Table 3.1.2) Then C = (20'4"-2V- 1%")-2= 10' WARNING: Since every insertion of the primary piping (6198 mm-54 mm-48 mm)-2=3048 mm may vary, dry fit all secondary containment connections And B = (10-2)- 1"=4111" to make sure that the insertion is approximately 3". Be (3048 mm-2)-25 mm= 1499 mm sure that the containment pipe is not inserted too far into Cut pieces: the containment fitting. The glossy O.D. of the pipe should not be seated in the containment fitting. C = center section = 10'of 4"pipe(3048 mm of 100 mm pipe) B = end sections NOTE: Currently,2",3",4",and 5"pipe;4"x 3"and 5"x 4"telescoping con- centric reducers;and 4"x 3"telescoping eccentric reducers can be supplied with = 411 of 3 pipe(1499 mm of 75 mm pipe) a UL Label. 32 — Installation Instructions